package com.admins.rabbitmq;

import org.springframework.amqp.core.Binding;
import org.springframework.amqp.core.BindingBuilder;
import org.springframework.amqp.core.Queue;
import org.springframework.amqp.core.TopicExchange;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;


/**
 * @Description: TODO
 * @Author: mis_wu
 * @Date: 2022/5/1
 * topic Exchange 主题交换机
 **/
@Configuration
public class TopicRabbitConfig {
    /**
     * 绑定键
     */
    public final static String MAN = "topic.man";
    public final static String WOMAN = "topic.woman";

    public static final String ROUTING_KEY = "topic.#";

    @Bean
    public Queue firstQueue() {
        return new Queue(MAN);
    }
    @Bean
    public Queue secondQueue() {
        return new Queue(WOMAN);
    }
    @Bean
    TopicExchange exchange() {
        return new TopicExchange("topicExchange");
    }

    /**
     * 将firstQueue和topicExchange绑定,⽽且绑定的键值为topic.man
     * 这样只要是消息携带的路由键是topic.man,才会分发到该队列
     */
    @Bean
    Binding bindingExchangeMessage() {
        return BindingBuilder.bind(firstQueue()).to(exchange()).with(MAN);
    }

    /**
     * 将secondQueue和topicExchange绑定,⽽且绑定的键值为⽤上通配路由键规则topic.#
     * 这样只要是消息携带的路由键是以topic.开头,都会分发到该队列
     * routing_key
     */
    @Bean
    Binding bindingExchangeMessage2() {
        return BindingBuilder.bind(secondQueue()).to(exchange()).with(ROUTING_KEY);
    }
}
